Each of the following is a reason cosmetologists should understand shampooing, conditioning, and basic scalp care EXCEPT:

When is it most effective for a cosmetologist to seek information on a client’s hair and scalp needs? 

During a scalp and hair analysis of a new client who will be receiving a chemical relaxing treatment, a cosmetologist notices that the client’s hair and scalp are oily. Which shampoo type should the cosmetologist use when washing the client’s hair? 

When is it most effective for a cosmetologist to seek information on a client’s hair and scalp needs? 

Each of the following is a question related to shampooing and conditioning that a cosmetologist should ask a client during the consultation EXCEPT: 

Which of the following is a reason that a cosmetologist must decline to perform a service and recommend the client seek the care of healthcare provider?

Hair is approximately ___________ percent protein.

The three different types of side bonds that link chains of amino acids together are _________.

Which layer of the hair shaft provides strength, elasticity, and color? 

Which sentence best describes the medulla?